| West Carson to Noventa Vicentina | 6,134.59 mi (9,872.67 km) |
| West Carson to Novi di Modena | 6,135.49 mi (9,874.12 km) |
| West Carson to Novi Ligure | 6,074.74 mi (9,776.36 km) |
| West Carson to Nuoro | 6,323.62 mi (10,176.88 km) |
| West Carson to Occhiobello | 6,155.32 mi (9,906.04 km) |
| West Carson to Oderzo | 6,137.42 mi (9,877.23 km) |
| West Carson to Oggiono | 6,039.78 mi (9,720.08 km) |
| West Carson to Olbia | 6,298.13 mi (10,135.86 km) |
| West Carson to Oleggio | 6,026.38 mi (9,698.53 km) |
| West Carson to Olgiate Comasco | 6,027.58 mi (9,700.46 km) |
| West Carson to Olgiate Olona | 6,032.68 mi (9,708.66 km) |
| West Carson to Omegna | 6,004.78 mi (9,663.76 km) |
| West Carson to Opera | 6,056.31 mi (9,746.70 km) |
| West Carson to Oppeano | 6,122.82 mi (9,853.72 km) |
| West Carson to Orbassano | 6,021.12 mi (9,690.05 km) |
